NB/T 11463-2023 Belt feeder

GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB 22340-2008 Belt conveyor for coal mine—Safety code MT/T 776-2004 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1243-1997 Short pitch transmission precision roller chains and chain wheels GB/T 1243-2006 Short-pitch transmission precision roller and bush chains,attachments and associated chain sprockets GB/T 1243-2024 Short-pitch transmission precision roller and bush chains,attachments and associated chain sprockets GB/T 3768-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d” GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d" GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB/T 9770-2001 Steel cord conveyor belts for general use GB/T 9770-2013 Steel cord conveyor belts for general use GB/T 8196-2003 Safety of machinery—Guards—General requirements for the design and construction of fixed and movable guards GB/T 8196-2018 Safety of machinery—Guards—General requirements for the design and construction of fixed and movable guards GB/T 11352-1989 Carbon steel castings for general engineering purposes GB/T 11352-2009 Carbon steel castings for general engineering purpose GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product MT 113-1995 Flame and Electrostatic Resistance Test Method and Criteria for Polymer Products Used in Coal Mine Underground Workplaces MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines AQ 1043-2007 Mining Product Safety Mark Identification JB/T 6950-2020 Planetary Cone Variable Transmission Device JB/T 8853-2015 JBT 8853-2015 Conical-cylindrical Gear Reducer Drive Unit。 MT/T 668-2019 Coal mine flame-resistant steel wire rope conveyor belt MT 668-2007 Coal mining flame-resistant steel wire rope core conveyor belt MT 820-2006 Coal mining belt conveyor technical specifications MT/T 914-2019 Coal mine flame-retardant conveying belt with woven core MT 914-2007 Coal mine flame-retardant woven conveyor belt JB/T 8853-2001 Cylindrical Gear Reducer MT 914-2002 Coal mine flame-retardant woven conveyor belt JB/T 6950-1993 Planetary cone pulley infinitely variable transmission MT/T 668-2008 Steel cord fire resistant conveyor belting for coalmine MT/T 914-2008 Solid woven fire resistant conveyor belting for coalmine GB/T 191-2025 Graphical symbols marking for handling and storage of packages